JSFiddle - React, Tailwind, and code Playground

HTML

<div></div>

CSS

div{
    height: 20px;
    width: 20px;
    background-color: red;
}

JavaScript

$(document).ready(function(){
var i = 0;
    $(document).keydown(function(event) {
	if(event.which == 39){
	$('div').css("margin-left",""+i+"px");
	i+=6;
	}
   });
});